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  <meta name="keywords" content="后端页面，HTML5，前端开发，Java大数据，PHP开发，python人工智能。" />
  <meta name="description" content="该网站是一个用于在IT线教育后端页面" />
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<body>
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  <nav class="navbar navbar-default">
    <div class="container">
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        <!--导航栏按钮-->
        <button class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
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          后台管理系统
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      <!--导航-->
      <div class="collapse navbar-collapse">
        <ul class="nav navbar-nav shuju">
          <li class="active"><a href="index.html"><span class="glyphicon glyphicon-home"></span> 后台首页</a></li>
          <li><a href="user.html"><span class="glyphicon glyphicon-flag"></span> 用户管理</a></li>
          <li><a href="content.html"><span class="glyphicon glyphicon-fire"></span> 内容管理</a></li>
          <li><a href="tag.html"><span class="glyphicon glyphicon-folder-close"></span> 标签管理</a></li>
        </ul>
        <ul class="nav navbar-nav navbar-right">
          <li class="dropdown">
            <a href="#" class="dropdown-toggle" role="button" data-toggle="dropdown">Admin <span class="caret"></span></a>
              <ul class="dropdown-menu">
                <li><a href="#"><span class="glyphicon glyphicon-screenshot"></span> 前台首页</a></li>
                <li><a href="#"><span class="glyphicon glyphicon-user"></span> 个人主页</a></li>
                <li><a href="#"><span class="glyphicon glyphicon-cog"></span> 个人设置</a></li>
                <li><a href="#"><span class="glyphicon glyphicon-credit-card"></span> 账户中心</a></li>
                <li><a href="#"><span class="glyphicon glyphicon-heart"></span> 我的收藏</a></li>
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          <li><a href="javascript:close()"><span class="glyphicon glyphicon-off"></span> 退出</a></li>
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          </button>
          <h4>网站程序有漏洞，急需修复！</h4>
          <p>当前版本程序(V1.22)存在严重安全问题，容易造成攻击，请即可修复！</p>
          <p>
            <button type="button" class="btn btn-danger">立即修复</button>
            <button type="button" data-dismiss="alert" class="btn btn-default">稍候处理</button>
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      <!--网站数据统计-->
      <div class="col-md-6">
        <div class="panel panel-default">
          <div class="panel-heading">
            <h3 class="panel-title">网站数据统计</h3>
          </div>
          <div class="panel-body">
            <table class="table table-hover">
              <thead>
              <th>统计项目</th>
              <th>今日</th>
              <th>昨日</th>
              </thead>
              <tbody>
              <tr>
                <th>注册会员</th>
                <td>300</td>
                <td>11400</td>
              </tr>
              <tr>
                <th>登入会员</th>
                <td>200</td>
                <td>1100</td>
              </tr>
              <tr>
                <th>今日发帖</th>
                <td>500</td>
                <td>5200</td>
              </tr>
              <tr>
                <th>转载次数</th>
                <td>220</td>
                <td>330</td>
              </tr>
              </tbody>
            </table>
          </div>
        </div>
      </div>
      <!--网站热帖-->
      <div class="col-md-6">
        <div class="panel panel-default">
          <div class="panel-heading">
            <h3 class="panel-title">网站热帖</h3>
          </div>
            <ul class="list-group">
              <li class="list-group-item site"><a href="#"><span class="glyphicon glyphicon-list-alt"></span>&nbsp;泛Mooc职业教育，效果和就业为王<span class="pull-right">2020/08/08</span></a></li>
              <li class="list-group-item site"><a href="#"><span class="glyphicon glyphicon-list-alt"></span>&nbsp;泛Mooc职业教育，效果和就业为王<span class="pull-right">2020/08/08</span></a></li>
              <li class="list-group-item site"><a href="#"><span class="glyphicon glyphicon-list-alt"></span>&nbsp;泛Mooc职业教育，效果和就业为王<span class="pull-right">2020/08/08</span></a></li>
              <li class="list-group-item site"><a href="#"><span class="glyphicon glyphicon-list-alt"></span>&nbsp;泛Mooc职业教育，效果和就业为王<span class="pull-right">2020/08/08</span></a></li>
              <li class="list-group-item site"><a href="#"><span class="glyphicon glyphicon-list-alt"></span>&nbsp;泛Mooc职业教育，效果和就业为王<span class="pull-right">2020/08/08</span></a></li>
              <li class="list-group-item site"><a href="#"><span class="glyphicon glyphicon-list-alt"></span>&nbsp;泛Mooc职业教育，效果和就业为王<span class="pull-right">2020/08/08</span></a></li>
            </ul>
        </div>
      </div>
      <!--今日访客统计-->
      <div class="col-md-6">
        <div class="panel panel-default">
        <div class="panel-heading">今日访客统计</div>
        <div class="panel-body">
          <div class="col-md-12">
            <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
            <div id="main" style="width: 550px;height:350px;"></div>
          </div>
        </div>
      </div>
      </div>
      <!--服务器状态-->
      <div class="col-md-6">
        <div class="panel panel-default">
          <div class="panel-heading">服务器状态</div>
          <div class="panel-body">
            <p>内存使用率：40%</p>
            <div class="progress">
              <div class="progress-bar progress-bar-success progress-bar-striped" role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width: 40%">
              </div>
            </div>
            <p>内存使用率：20%</p>
            <div class="progress">
              <div class="progress-bar progress-bar-info progress-bar-striped" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100" style="width: 20%">
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            </div>
            <p>内存使用率：60%</p>
            <div class="progress">
              <div class="progress-bar progress-bar-warning progress-bar-striped" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 60%">
              </div>
            </div>
            <p>内存使用率：80%</p>
            <div class="progress">
              <div class="progress-bar progress-bar-danger progress-bar-striped" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width: 80%">
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            </div>
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        </div>
      </div>
      <!--团队留言板-->
      <div class="col-md-12">
        <div class="panel panel-default">
          <div class="panel-heading">团队留言板</div>
          <div class="panel-body">
            <div class="col-md-7">
              <div class="media wh64 well">
                <div class="media-left">
                  <a href="#">
                    <img class="media-object" src="images/a.png" alt="卓大哥">
                  </a>
                </div>
                <div class="media-body">
                  <h4 class="media-heading">卓大哥</h4>
                  技术大哥，今晚请把网站程序升级一下哈，现在的系统有漏洞，安全起见！
                </div>
              </div>
              <div class="media wh64 well">
                <div class="media-body text-right">
                  <h4 class="media-heading">技术大哥</h4>
                  收到，今晚凌晨2点准时升级！
                </div>
                <div class="media-right">
                  <a href="#">
                    <img class="media-object" src="images/b.png" alt="卓大哥">
                  </a>
                </div>
              </div>
              <div class="media wh64 well">
                <div class="media-body text-right">
                  <h4 class="media-heading">技术大哥</h4>
                  你先在站点发布一下通知哈！
                </div>
                <div class="media-right">
                  <a href="#">
                    <img class="media-object" src="images/b.png" alt="卓大哥">
                  </a>
                </div>
              </div>
              <div class="media wh64 well">
                <div class="media-left">
                  <a href="#">
                    <img class="media-object" src="images/a.png" alt="卓大哥">
                  </a>
                </div>
                <div class="media-body">
                  <h4 class="media-heading">卓大哥</h4>
                  好嘞。
                </div>
              </div>
            </div>
            <div class="col-md-5">
              <form action="#">
                <label for="contact">输入留言内容</label>
                <textarea cols="10" rows="5"  placeholder="输入留言内容" class="form-control"></textarea>
                <input type="submit" class="btn btn-default contact" value="留言">
              </form>
              <div class="panel panel-default">
                <div class="panel-heading">团队联系手册</div>
                <div class="panel-body">
                  <ul class="list-group">
                    <li class="list-group-item">站长(李小龙)：<span class="glyphicon glyphicon-phone"></span> 13134848615</li>
                    <li class="list-group-item">技术(大牛哥)：<span class="glyphicon glyphicon-phone"></span> 13456127694</li>
                    <li class="list-group-item">推广(张二哥)：<span class="glyphicon glyphicon-phone"></span> 13457815482</li>
                    <li class="list-group-item">客服(王女士)：<span class="glyphicon glyphicon-phone"></span> 13134567782 <span class="glyphicon glyphicon-phone-alt"></span> 0371-61171272</li>
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<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
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<script src="https://cdn.bootcdn.net/ajax/libs/echarts/5.3.3/echarts.min.js"></script>
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    },
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